us. >> mish pleasure. thank you, nadya. >> as the year drawing to the close, the school shootings in newtown, connecticut have sparked a national debate about gun control, and it's also motivating gun buy-backs in cities across the country. some gun owners say they don't want to keep their weapons in the wake of the deaths of 20 children in newtown. cnn reports from bridgeport, connecticut, which is holding the biggest gun buy-back in its ift. r >> reporter: william porter said he's done with guns. the elementary school shooting in nearby newtown, connecticut, struck a nerve. >> my wife cried. we were out shopping, and we heard it in the store. she cried. you know, it's wrong. >> okay. how are you doing? >> i'm good. >> reporter: porter is turning over his handgun to police in kondz's most populous city, pat of bridgeport's largest gun buy-back ever. with well over $100,000 in private donations, police are taking the weapons no questions asked.